A researcher at a major hospital wishes to estimate the proportion of the adult population of the United States that has high blood pressure. How large a sample is needed to be 90% confident that the sample proportion will not differ from the true proportion by more than 5%

A. If no preliminary estimate is available

B. If a recent survey indicated that 43% of the population suffers from high blood pressure.

Which one of the following statements about commercial paper is NOT true?Commercial paper issued in the United States a. carries an interest rate above the prime rate. b. is virtually always rated by at least one ratings agency. c. has a maximum maturity of 270 days. d. has no secondary market. e. is an unsecured short-term promissory note.

Suppose you meet an extraterrestrial alien. The alien is doing a research project on the health care

system in the United States since the 1960’s. The alien understands that disease exists and that

resources are scarce. Explain to the alien the foundational parts of our health care system AND how our

health care system has evolved since the 1960’s and why.

Discuss the role of Black Americans in both the winning of the Civil War as well as "defining the war's consequences." At the same time, think about and discuss the comparisons between the "end of slavery in the United States" and "emancipation elsewhere in the world." Finally, discuss how African Americans were treated by both northerners and southerners in the aftermath of the Civil War during Reconstruction. please help

You believe that the total amount of goods produced in the United States has generally increased over the years. In a time-series graph illustrating the total amount produced, you expect to find

A) an upward trend.

B) an inverse relationship between time and the amount of goods produced.

C) a linear relationship.

D) no relationship between time and the amount of goods produced.

Has anyone thought about Russia's lone wolf approach to world affairs? I wonder what their end game is? If they don't want to be part of the community of nations or perhaps they see the community of nations as being led by the United States and they want to be a leader in this regard. I wonder if they want to be seen as equal to the U.S.? Is Russia trying to have it all both ways?

In the United States during the early 2000's there were a plethora of accounting scandals. Many times, the CEO was the cause of the problem. Congress passed the Sarbanes-Oxley Act in 2002. A large portion of the act was devoted to making CEO's more responsible for control over accounting. How do the actions of CEOs and upper management affect accounting and financial reporting?

The American Bankers Association reported that, in a sample of 125 consumer purchases in France, 63 were made with cash, compared with 26 in a sample of 50 consumer purchases in the United States. Construct a 95 percent confidence interval for the difference in proportions. (Round your intermediate value and final answers to 4 decimal places.) The 95 percent confidence interval is from

Technology has been very important to agricultural markets for the United States and has made it a very large food-producing nation in the world. When looking at the money that the US government spends on agricultural markets with the subsidies that they provide, do you think there could be other options for the money spent? How can you measure the inefficiency of the subsidies that are provided in the market?

The American Bankers Association reported that, in a sample of 100 consumer purchases in France, 49 were made with cash, compared with 31 in a sample of 60 consumer purchases in the United States.

Construct a 99 percent confidence interval for the difference in proportions. (Round your intermediate value and final answers to 4 decimal places.)

The 99 percent confidence interval is from ____ to ____.